What is the cheapest airline that flies from San Diego to Barcelona?

British Airways and United Airlines are the most popular carriers operating from San Diego to Barcelona

What airlines fly to Barcelona?

British Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to Barcelona from San Diego according to our data. British Airways is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 8 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Diego Airport to Barcelona?

Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.

How many operators does momondo search for flights from San Diego Airport to Barcelona?

The number of operators available for flights from San Diego Airport to Barcelona is 8 as of August 2026.

How old do you have to be to fly from San Diego Airport to Barcelona?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.

What documentation or ID do you need to fly to Barcelona?

The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$317 Cheap Flights from San Diego to Barcelona in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Barcelona

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:34 pm - 12:40 pmSAN San Diego-BCN Barcelona-El Prat

31h 06m1 stop Boston Logan Intl

10:15 am - 10:19 amBCN Barcelona-El Prat-SAN San Diego

33h 04m2 stops Dublin Chicago O'Hare Intl

$671Multiple Airlines

Sat, Oct 17 - Mon, Jan 18

2:00 pm - 12:50 pmSAN San Diego-BCN Barcelona-El Prat

13h 50m1 stop Atlanta Hartsfield-Jackson

5:45 am - 10:00 amBCN Barcelona-El Prat-SAN San Diego

37h 15m2 stops Dublin Chicago O'Hare Intl

$761Multiple Airlines

Mon, Sep 21 - Mon, Sep 28

8:00 am - 9:00 amSAN San Diego-BCN Barcelona-El Prat

16h 00m1 stop Washington, D.C. Dulles Intl

1:35 pm - 6:37 pmBCN Barcelona-El Prat-SAN San Diego

38h 02m3 stops Montreal Pierre Elliott Trudeau Intl Newark Chicago O'Hare Intl

$793United Airlines

Wed, Nov 18 - Fri, Dec 11

6:00 pm - 7:55 pmSAN San Diego-BCN Barcelona-El Prat

16h 55m1 stop London Heathrow

8:20 pm - 4:10 pmBCN Barcelona-El Prat-SAN San Diego

28h 50m1 stop London Heathrow

$794British Airways

Mon, Jan 11 - Mon, Jan 25

6:45 am - 9:35 amSAN San Diego-BCN Barcelona-El Prat

17h 50m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

1:35 pm - 6:37 pmBCN Barcelona-El Prat-SAN San Diego

38h 02m3 stops Montreal Pierre Elliott Trudeau Intl Newark Chicago O'Hare Intl

$796United Airlines

Wed, Nov 18 - Fri, Dec 11

9:24 am - 9:10 amSAN San Diego-BCN Barcelona-El Prat

14h 46m1 stop Philadelphia

8:45 pm - 4:10 pmBCN Barcelona-El Prat-SAN San Diego

28h 25m1 stop London Heathrow

$802British Airways

Wed, Jan 20 - Wed, Jan 27

2:30 pm - 11:05 pmSAN San Diego-BCN Barcelona-El Prat

23h 35m2 stops Los Angeles Munich Franz Josef Strauss

7:30 am - 3:45 pmBCN Barcelona-El Prat-SAN San Diego

17h 15m1 stop Munich Franz Josef Strauss

$804Lufthansa

Wed, Nov 18 - Fri, Dec 11

5:35 pm - 5:35 pmSAN San Diego-BCN Barcelona-El Prat

15h 00m1 stop Munich Franz Josef Strauss

7:30 am - 3:45 pmBCN Barcelona-El Prat-SAN San Diego

17h 15m1 stop Munich Franz Josef Strauss

$805Lufthansa

Wed, Feb 10 - Wed, Feb 24

11:51 am - 1:45 pmSAN San Diego-BCN Barcelona-El Prat

16h 54m2 stops Chicago O'Hare Intl London Heathrow

12:00 pm - 9:32 pmBCN Barcelona-El Prat-SAN San Diego

18h 32m1 stop Philadelphia

$810American Airlines

Wed, Nov 18 - Fri, Dec 11

6:00 pm - 5:55 pmSAN San Diego-BCN Barcelona-El Prat

14h 55m1 stop London Heathrow

9:10 pm - 4:10 pmBCN Barcelona-El Prat-SAN San Diego

28h 00m1 stop London Heathrow

$810American Airlines

Mon, Jan 11 - Mon, Jan 25

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SWISS flights from San Diego to Barcelona

Our best SWISS deals on San Diego to Barcelona flight tickets

SWISS

Jan 26

SAN10:51 amSan Diego

18h 14m

2 stops

BCN2:05 pmBarcelona-El Prat

Feb 9

BCN6:20 amBarcelona-El Prat

25h 22m

2 stops

SAN10:42 pmSan Diego

$773

SWISS

Dec 14

SAN4:06 pmSan Diego

17h 59m

2 stops

BCN7:05 pmBarcelona-El Prat

Feb 17

BCN9:55 amBarcelona-El Prat

21h 02m

2 stops

SAN9:57 pmSan Diego

$812

SWISS

Dec 9

SAN1:28 pmSan Diego

24h 32m

2 stops

BCN11:00 pmBarcelona-El Prat

Feb 14

BCN6:20 amBarcelona-El Prat

24h 37m

2 stops

SAN9:57 pmSan Diego

$813

Delta flights from San Diego to Barcelona

Our best Delta deals on San Diego to Barcelona flight tickets

Delta

Jan 11

SAN7:00 amSan Diego

19h 10m

2 stops

BCN11:10 amBarcelona-El Prat

Jan 25

BCN1:10 pmBarcelona-El Prat

32h 00m

1 stop

SAN12:10 pmSan Diego

$817

Delta

Jan 11

SAN7:00 amSan Diego

19h 10m

2 stops

BCN11:10 amBarcelona-El Prat

Jan 25

BCN1:10 pmBarcelona-El Prat

32h 00m

1 stop

SAN12:10 pmSan Diego

$818

Delta

Sep 6

SAN6:15 amSan Diego

21h 35m

1 stop

BCN12:50 pmBarcelona-El Prat

Sep 21

BCN11:10 amBarcelona-El Prat

33h 40m

1 stop

SAN11:50 amSan Diego

$1,016

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Sat 10/17

8:34 pm-12:40 pm

1 stop31h 06m

Barcelona-El Prat

Mon 1/18

10:15 am-10:19 am

2 stops33h 04m

$671

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 9/21

2:00 pm-12:50 pm

1 stop13h 50m

Barcelona-El Prat

Mon 9/28

5:45 am-10:00 am

2 stops37h 15m

$761

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 11/18

8:00 am-9:00 am

1 stop16h 00m

Barcelona-El Prat

Fri 12/11

1:35 pm-6:37 pm

3 stops38h 02m

$793

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 1/11

6:00 pm-7:55 pm

1 stop16h 55m

Barcelona-El Prat

Mon 1/25

8:20 pm-4:10 pm

1 stop28h 50m

$794

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 11/18

6:45 am-9:35 am

2 stops17h 50m

Barcelona-El Prat

Fri 12/11

1:35 pm-6:37 pm

3 stops38h 02m

$796

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 1/20

9:24 am-9:10 am

1 stop14h 46m

Barcelona-El Prat

Wed 1/27

8:45 pm-4:10 pm

1 stop28h 25m

$802

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 11/18

2:30 pm-11:05 pm

2 stops23h 35m

Barcelona-El Prat

Fri 12/11

7:30 am-3:45 pm

1 stop17h 15m

$804

Quickest round-trip

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 2/10

5:35 pm-5:35 pm

1 stop15h 00m

Barcelona-El Prat

Wed 2/24

7:30 am-3:45 pm

1 stop17h 15m

$805

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Wed 11/18

11:51 am-1:45 pm

2 stops16h 54m

Barcelona-El Prat

Fri 12/11

12:00 pm-9:32 pm

1 stop18h 32m

$810

San DiegoBarcelona

SAN San Diego - BCN Barcelona-El Prat

SANBCN

San Diego

Mon 1/11

6:00 pm-5:55 pm

1 stop14h 55m

Barcelona-El Prat

Mon 1/25

9:10 pm-4:10 pm

1 stop28h 00m

$810

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Diego to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between San Diego and Barcelona?

Prices are currently low for flights on this route.

Typical prices usually range from $784 to $1,088.
The lowest price recently found on this route was $671.

What is the cheapest month to fly to Barcelona?

The month of January is, on average, the cheapest month to fly to Barcelona from San Diego, with most prices found around $649. If you don’t want to visit Barcelona in January, then you should wait until November to fly from San Diego, when ticket prices are also cheap, with an average price of $680.

How far in advance should I book a flight from San Diego to Barcelona?

You are more likely to see cheaper flights to Barcelona from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $878 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from San Diego for as low as $756 on momondo.

Cheap San Diego to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to Barcelona

Best Price Found	$317
Fastest flight time	15h 00m
Direct flights	None

The best one-way flight to Barcelona from San Diego in the past 72 hours is $317. The best round-trip flight deal from San Diego to Barcelona found on momondo in the last 72 hours is $671.

The fastest flight from San Diego to Barcelona takes 15h 00m

There are no direct flights from San Diego to Barcelona. There are no popular flight routes from San Diego to Barcelona.

Search flight deals

Frequently asked questions about flying from San Diego to Barcelona

How far is San Diego to Barcelona by plane?
The distance between San Diego and Barcelona is about 6024.0 mi. A reasonable flight in good conditions will take 15h 00m.
When did momondo last update prices for flights from San Diego Airport to Barcelona?
Prices for flights from San Diego Airport to Barcelona are refreshed on a daily basis.
How many operators does momondo search for flights from San Diego Airport to Barcelona?
The number of operators available for flights from San Diego Airport to Barcelona is 8 as of August 2026.
How old do you have to be to fly from San Diego Airport to Barcelona?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Diego Airport to Barcelona.
What documentation or ID do you need to fly to Barcelona?
The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from San Diego to Barcelona

Compare and see reviews for airlines that fly from San Diego to Barcelona with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $383	Free Cancellation	Rating 7.8 1,565 reviews	Search KLM flights
Lufthansa	PriceFrom $463	Free Cancellation	Rating 6.8 8,216 reviews	Search Lufthansa flights
Iberia	PriceFrom $477	Free Cancellation	Rating 7.0 3,257 reviews	Search Iberia flights
Delta	PriceFrom $487	Free Cancellation	Rating 7.8 8,520 reviews	Search Delta flights
United Airlines	PriceFrom $490	Free Cancellation	Rating 7.4 10,116 reviews	Search United Airlines flights
American Airlines	PriceFrom $514	Free Cancellation	Rating 7.1 11,986 reviews	Search American Airlines flights
British Airways	PriceFrom $515	Free Cancellation	Rating 6.7 8,188 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $565	Free Cancellation	Rating 7.4 1,963 reviews	Search Scandinavian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Barcelona?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Barcelona for you.

Can I find flights from San Diego to Barcelona with flexible booking policies on momondo?

All flight searches from San Diego to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Diego to Barcelona?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Barcelona from San Diego.

I’m not ready to book a flight from San Diego to Barcelona right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Diego to Barcelona flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Complete your trip

Feeling lucky

Fly into one of these airports located in Barcelona

Barcelona-El Prat Airport

Girona Costa Brava Airport

Cheap flights from San Diego to Barcelona from $317

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Barcelona departing on 10/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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SWISS flights from San Diego to Barcelona

Our best SWISS deals on San Diego to Barcelona flight tickets

Delta flights from San Diego to Barcelona

Our best Delta deals on San Diego to Barcelona flight tickets

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Use the filters below to find and compare flights from San Diego to Barcelona that are best for you.

See travel insights to Barcelona from

How to get the cheapest flight ticket from San Diego to Barcelona

What is the typical price of a round-trip flight between San Diego and Barcelona?

What is the cheapest month to fly to Barcelona?

How far in advance should I book a flight from San Diego to Barcelona?

What is the cheapest airline that flies from San Diego to Barcelona?

What airlines fly to Barcelona?

Cheap San Diego to Barcelona flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from San Diego to Barcelona

Best airlines flying from San Diego to Barcelona

Compare and see reviews for airlines that fly from San Diego to Barcelona with momondo

Why use momondo?

An easier way to manage your Barcelona trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Spain

Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona

Fly your favorite airline to Barcelona

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in Spain

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from San Diego

According to popular flight searches on momondo this year

Complete your trip to Barcelona

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According to popular flight searches on momondo this year